To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Diarrhea can also cause weight loss. Abdominal pain is another symptom of colon cancer that may prevent you from eating normally. If you have lost a significant amount of weight accompanied with these symptoms, you need to talk to your doctor immediately to determine the cause.
Some chemotherapy drugs are more prone to cause diarrhea. Diarrhea is particularly problematic for some drugs which are central to the management of colorectal cancer and cancers of the gastrointestinal tract, including the fluoropyrimidines (5-FU) and irinotecan (CPT-11, CamptosarÂ®). Drugs used to treat other cancers may also cause diarrhea, although to a lesser degree.